The Baffin Wolf is a function first winter boot, suitable for everyday winter wear. With multi-use capabilities, WOLF is recommended for use during moderate to high levels of activity and features a combination of Baffin&';s proprietary technologies. Whether you&';re shoveling snow or mountain scaling in Squamish, this boot is guaranteed to react. essential for any explorer. Removable Comfort-Fit multi-layer inner boot system B-Tek Dry Waterproof Base Technology Upper: Double-weave, 900 Denier nylon upper Nylon snow collar to protect from the elements Double buckle fastening for added security Base: Arctic Rubber shell to provide lightweight flexibility, cold-resistance and resilience EVA midshole for light-weight insulation and cushioning Polar Rubber outsole for maximized grip and longevity of boot and could temperatures